87276988

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2209

約数の個数: 24

約数和(自身を含む): 155859200

約数和(自身を除く): 68582212

約数列:

[1, 2, 4, 79, 139, 158, 278, 316, 556, 1987, 3974, 7948, 10981, 21962, 43924, 156973, 276193, 313946, 552386, 627892, 1104772, 21819247, 43638494, 87276988]

約数ペア:

[(1, 87276988), (2, 43638494), (4, 21819247), (79, 1104772), (139, 627892), (158, 552386), (278, 313946), (316, 276193), (556, 156973), (1987, 43924), (3974, 21962), (7948, 10981)]